Blundell Harling 10-inch Classmate 813 slide rule

Made:
1970-1980 in England

Blundell Harling 10-inch Classmate 813 slide rule with plastic case

Details

Category:
Mathematics
Object Number:
1998-215
Materials:
incomplete, plastic
type:
slide rule
credit:
Mr A. Vincent
status:
Permanent collection

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